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Not for all seasons: why timing is critical in the design of visitor impact monitoring programs for aquatic sites within protected areas

机译:并非在所有季节都适用:为什么在保护区内水生场所的访客影响监测计划的设计中,时间安排至关重要

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摘要

Environmental monitoring is an essential feature of environmental assessment and natural resource management. Whilst the focus of monitoring programs is often on the response of chosen variables to a disturbance of particular concern, it is also important to consider the variability of disturbance pressures in relation to the variability of the ecosystem state. In this paper, we discuss the need to relate environmental variability to disturbance variability in small-scale monitoring programs designed to assess the impact of short-term pulses of visitors on the condition of aquatic ecosystems in protected areas. We use data from protected areas from six Koppen climate zones in Australia to highlight the fact that peaks in visitation do not always coincide with existing monitoring protocols or with optimal times for monitoring on the basis of environmental variability, particularly in relation to rainfall and temperature and, hence, likely biological activity. We highlight how recognising the interaction between disturbance variability and environmental variability will greatly enhance the power of monitoring programs and substantially improve our capacity to detect responses to temporally pulsed disturbances. Analyses of this type, undertaken before the establishment of monitoring programs, will yield higher quality information and a better return on monitoring investment for natural resource managers.
机译:环境监测是环境评估和自然资源管理的基本特征。尽管监测计划的重点通常是对特定变量对特定关注扰动的响应,但考虑扰动压力相对于生态系统状态的可变性也很重要。在本文中,我们讨论了在旨在评估访客的短期脉动对保护区水生生态系统状况的影响的小型监测计划中将环境可变性与干扰可变性相关联的必要性。我们使用来自澳大利亚六个Koppen气候区的保护区的数据来强调一个事实,即探视高峰并不总是与现有的监测协议一致,也不总是与基于环境变异性进行监测的最佳时间相吻合,尤其是与降雨,温度和,因此可能具有生物学活性。我们强调指出,认识到干扰变异性和环境变异性之间的相互作用将如何极大地增强监视程序的功能并显着提高我们检测对时间脉冲干扰的响应的能力。在建立监测计划之前进行的这类分析将产生更高质量的信息,并为自然资源管理者带来更好的监测投资回报。

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